<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">

    <title>巨幕</title>
</head>
<body>
<div class="container">
    <div class="jumbotron">
        <h1 class="display-4">反馈中心！</h1>
        <p class="lead">用户向系统管理员反馈当前系统存在的问题。</p>
        <hr class="my-4">
        <div class="card">
            <div class="card-body">
                <h5 class="card-title">问题反馈</h5>
                <form class="was-validated">
                    <div class="card">
                        <div class="card-body row" style="padding-bottom: .5rem">
                            <div class="col-5 offset-1">
                                <div class="custom-control custom-checkbox mb-3">
                                    <input type="checkbox" class="custom-control-input" id="oneCheck" required>
                                    <label class="custom-control-label" for="oneCheck">原因一</label>
                                </div>
                                <div class="custom-control custom-checkbox mb-3">
                                    <input type="checkbox" class="custom-control-input" id="threeCheck" required>
                                    <label class="custom-control-label" for="threeCheck">原因三</label>
                                </div>
                                <div class="custom-control custom-checkbox mb-3">
                                    <input type="checkbox" class="custom-control-input" id="fiveCheck" required>
                                    <label class="custom-control-label" for="fiveCheck">原因无</label>
                                </div>
                            </div>

                            <div class="col-5">
                                <div class="custom-control custom-checkbox mb-3">
                                    <input type="checkbox" class="custom-control-input" id="twoCheck" required>
                                    <label class="custom-control-label" for="twoCheck">原因二</label>
                                </div>
                                <div class="custom-control custom-checkbox mb-3">
                                    <input type="checkbox" class="custom-control-input" id="fourCheck" required>
                                    <label class="custom-control-label" for="fourCheck">原因四</label>
                                </div>
                                <div class="custom-control custom-checkbox mb-3">
                                    <input type="checkbox" class="custom-control-input" id="sixCheck" required>
                                    <label class="custom-control-label" for="sixCheck">原因六</label>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="form-group my-4">
                        <label for="exampleFormControlTextarea1">其他反馈</label>
                        <textarea class="form-control" id="exampleFormControlTextarea1" rows="3"></textarea>
                    </div>
                </form>
                <button class="btn btn-success">提交</button>
            </div>
        </div>
    </div>
</div>
</body>
</html>